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Finding the Fourth Proportional to 98,602.86, 147,797.62 and 39,373.40

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Solution

The fourth proportional to 98,602.86, 147,797.62 and 39,373.40 is: 59,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,602.86 : 147,797.62 = 39,373.40 : x
  2. Step 2: Convert to fraction form
    98,602.86/147,797.62 = 39,373.40/x
  3. Step 3: Cross multiply
    98,602.86x = 147,797.62 × 39,373.40
  4. Step 4: Simplify right side
    98,602.86x = 5,819,294,811.31
  5. Step 5: Solve for x
    x = 5,819,294,811.31/98,602.86
  6. Step 6: Final answer
    x = 59,017.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.